President François Hollande arrives at the offices of satirical newspaper Charlie Hebdo in Paris
Photograph: Etienne Laurent/EPA via The Guardian

Circulated on Facebook and YouTube, shows two of the gunmen attacking on a pavement near the Charlie Hebdo offices. via The Guardian

A fifth named victim, Bernard Maris, 68, wrote a regular column for Charlie Hebdo under the pseudonym 'Uncle Bernard', covering politics and economics, writes the Telegraph's Theo Merz. via The Telegraph

This is an image taken from the 2013 edition of al-Qaeda's Inspire magazine, showing that Charb was on the terror group's 'most wanted' list. via The Telegraph

Protests in Rennes. via The Telegraph

Heathcliff O'Malley/The Telegraph

People light candles forming the name Charlie during a gathering in Strasbourg, eastern France
Getty Images

People stand stand in Marseille, southern France, next to a portrait of French cartoonist Georges Wolinksi, killed during an attack by unknown gunmen on the offices of the satirical weekly, 'Charlie Hebdo' via The Independent

People held up pens to symbolise freedom of expression and wore stickers saying "je suis Charlie" via The Independent

Armed gunmen face police officers near the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015, during an attack on the offices of the newspaper which left 12 dead, including two police officers, according to sources close to the investigation. (Image source: Anne Gelbard/AFP/Getty Images)